2015-07-10 22:06 GMT+03:00 Dave Cole linuxcncro...@gmail.com:
They use a variety of a 3 jaw chuck that uses some type of scroll
mechanism which is actuated by an external ring which you hold in place.
The brand most common around here is Rigid.That setup would not
work for accurate metal
If milling between centers would be acceptable, how about using an actuated
tailstock and the type of headstock center with aggressive drive dog points
built in?
Perhaps something like this:
http://www.woodworkingarchive.biz/woodturning-techniques/images/1383_8_21-wood-lathe-chucks-drive-dog.jpg
On 10 Jul 2015, at 18:02, John Kasunich jmkasun...@fastmail.fm wrote:
xample, if
there is an index pulse on the encoder), you could use a
regular lathe chuck (either 3-jaw or 4-jaw self-centering)
and rig an auto chuck wrench for it. Short linear slide
actuated by a small air cylinder.
Could you use a larger version of a c5 collet and then make a draw tube
with a deep groove ball bearing mounted on the opposite end from the
collet. This would allow you to attach a stationary fork to the outer
race. Have this fork set up over a pivot point with one end attached to
the outer
Does the stock need to feed thru the chuck (like a bar feeder), or
will it be individual blanks loaded by the operator?
Is the stock round (3-jaw) or square (4-jaw)
Googling power lathe chuck will find you lots of chucks that are
tightened (with some modest stroke) by a draw-tube, usually
Use a collet chuck with auto closing.
I have seen one machine where the wood was pushed through a square
driven collet and over a grinding head similar to a swiss lathe. was
making fishing floats in balsa
Dave Caroline
Hello!
I need to build a machine for rotary milling of wood parts. The thing
is that customer wants the parts in the rotary head to be swapped
automatically, so some kind of cnc-operated chuck is needed.
I would appreciate, if somebody could share a link to something like
that. Total range of
I think that most CNC power 3 jaw chucks are hydraulic.
You might be able to find one used and setup an air over hydraulic
cylinder to control it so you wouldn't need a running hydraulic power
source.
If you started with a CNC lathe that had some bad controls you might be
a lot further along
Andy's idea made me think; Take a look at a commercial pipe threading
machine.
They use a variety of a 3 jaw chuck that uses some type of scroll
mechanism which is actuated by an external ring which you hold in place.
The brand most common around here is Rigid.That setup would not
work
There are air operated collet drawbars for grinders. My KOLee came w/ a
pair of them.
SMD
On Fri, Jul 10, 2015 at 2:58 PM, Dave Cole linuxcncro...@gmail.com wrote:
I think that most CNC power 3 jaw chucks are hydraulic.
You might be able to find one used and setup an air over hydraulic
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